Earnings Per Share (Tables)

6 Months Ended

Jun. 30, 2015

Earnings Per Share [Abstract]

Schedule of earnings per share

The following table sets forth the computation of basic and diluted earnings per share (shares in thousands):

	Three Months Ended				Six Months Ended
	June 30,				June 30,
	2015		2014		2015		2014
Numerator:
Net income available to common stockholders	$	86	$	94	201		154
Denominator:
Denominator for basic earnings per share—weighted-average common shares	96,647		97,002		96,896		96,118
Effect of dilutive securities:
Employee stock options and warrants	298		413		318		425
4 percent Convertible Senior Notes	605		7,758		894		9,005
Restricted stock units	197		421		308		475
Denominator for diluted earnings per share—adjusted weighted-average common shares	97,747		105,594		98,416		106,023
Basic earnings per share	$	0.89	$	0.98	$	2.07	$	1.61
Diluted earnings per share	$	0.88	$	0.90	$	2.04	$	1.46